The difference between a stepbrother and a half-brother is whether he is related only through marriage or whether he is a blood relative. Half-brothers share one biological parent, while stepbrothers do not.Continue Reading
A stepbrother is your stepfather's or stepmother's son through a previous relationship. For instance, if your father married a woman who already had a son or if your mother married a man who already had a son, then that boy would be your stepbrother.
However, in order to have a half-brother, you must have either the same mother or father as he does. This means that if your father or mother remarried and had a son, than that boy would be your half-brother.Learn more about Genealogy
Yes, the definition of sister-in-law does include the wife of a spouse's brother. A sister-in-law could also be the wife of one's brother or the sister of one's spouse. Except in unusual cases, one's sister-in-law is not a blood relative.Full Answer >
One's grandmother's brother is usually called a great-uncle, in terms of familial relationships. Grand-uncle is another name for this kin, but the term isn't used as often.Full Answer >
Members of Jonas Salk's family tree include his wife, Francoise Gilot, his brother, Lee Salk and his son, Darrell Salk. Jonas Salk, the inventor of the polio vaccine, experimented on his wife and sons, as well as himself, before releasing the vaccine for others to use. His brother Lee was also a doctor, specializing in child psychology and writing books on family relationships.Full Answer >
Your grandfather's brother is your great-uncle, and you are his great-nephew or great-niece. Your great-uncle's children are your second cousins because you share common great-grandparents, just as you share common grandparents with your first cousins.Full Answer >